Low temperature synthesis and electrochemical performance of crystallized FeVO4 •1.1H2O

被引：84

作者：

Poizot, P ^{[1
]}

Baudrin, E ^{[1
]}

Laruelle, S ^{[1
]}

Dupont, L ^{[1
]}

Touboul, M ^{[1
]}

Tarascon, JM ^{[1
]}

机构：

[1] Univ Picardie, UPRESA 6007, Lab React & Chim Solides, F-80039 Amiens, France

来源：

SOLID STATE IONICS | 2000年 / 138卷 / 1-2期

关键词：

iron vanadate; fervanite; lithium battery; electrochemical properties;

D O I：

10.1016/S0167-2738(00)00784-0

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A wet synthesis method, which consists in a precipitation reaction occurring without pH control, is described to obtain a hydrated crystallized iron orthovanadate, Both reaction time and temperature parameters were used to reach the thermodynamic equilibrium formation conditions of FeVO4.1.1H(2)O. By means of several characterization techniques this compound was identified as similar to the fervanite mineral Fe4V4O16. 5H(2)O. Like the other iron-based orthovanadates, this fervanite-type phase displays unusual electrochemical properties with respect to Li acceptance/removal at low average voltages. From the electrochemical data collected on the artificial fervanite and its dehydrated products, a linear correlation between the material water content and its electrochemical performances, namely in terms of irreversible and reversible capacities, has been found. (C) 2000 Elsevier Science BN. All rights reserved.

引用

页码：31 / 40

页数：10

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